NURSING ANM AND GNM

Detailed explanation-1: -Each gram of fat yields 9 calories.

Detailed explanation-2: -Lipids provide more energy per gram than carbohydrates (9 calories per gram of lipids versus 4 calories per gram of carbohydrates).

Detailed explanation-3: -On average carbohydrates and proteins yield 4 Calories per gram while lipids yield 9 Calories per gram. This is why animals tend to store extra calories as lipids and not proteins or carbohydrates, fat storage is more efficient, resulting in a smaller increase in mass.

Detailed explanation-4: -Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.

Detailed explanation-5: -Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates. Because fats are such an efficient form of energy, the body stores any excess energy as fat.